Do get a co analyzer or not?
- Thread starter eingersoll
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RubberDucky
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My opinion is that you are responsible for your own safety both in and out of the water. If you can get fills where the provider is responsibly checking the air they're providing to their customers, that's a plus, but personally I would feel most comfortable checking things out for myself. My experience with air in Coz is similar to suprane's post in this thread. Every tank I've tested contained some level of CO, and one tank had a significantly high amount.
There's really no reason to not test your air, and some very good reasons to do so.
Stay safe.
I have the Analox CO tester, and built an El Cheapo II Oxycheq tester. I'm on Coz now and will be doing my first dive in a few hours. Tanks will be tested. Pricey? A bit, but hell I'm (and Mrs TomZ) worth it.
My trip to Cozumel cost me close to $3000 (high season). The $500 for O2 and CO analyzers was insignificant by comparison.
I check close to every tank I dive, at home or abroad.
I check close to every tank I dive, at home or abroad.
Brules
Contributor
Is there no such thing as a CO/02 combo unit? 
suprane
Contributor
Peter_C
Contributor
Can you please provide some information about this?
If you don't own a CO tester, I'd recommend purchasing one to test all of your tanks, at home and on vacation. (I have an Analox and test every tank myself).
While in-line CO monitors have been installed in some fill stations on Cozumel, there are variables in the tank-filling process where the system can break down and you DO end up with carbon monoxide in your tank.
For instance, are the filters on the compressor unit changed often enough?
Are the warning alarms on the in-line monitors turned on? Will there be someone around to hear the warning alarms or are they away doing other tasks? If the warning alarms go off, are they loud enough to be heard over the compressor noise?
Are the in-line monitors installed or are they sitting in a box in the corner?
When you have your own CO tester, you can personally test your (and your family's) tanks, and you'll know whether or not the air is contaminated.
While in-line CO monitors have been installed in some fill stations on Cozumel, there are variables in the tank-filling process where the system can break down and you DO end up with carbon monoxide in your tank.
For instance, are the filters on the compressor unit changed often enough?
Are the warning alarms on the in-line monitors turned on? Will there be someone around to hear the warning alarms or are they away doing other tasks? If the warning alarms go off, are they loud enough to be heard over the compressor noise?
Are the in-line monitors installed or are they sitting in a box in the corner?
When you have your own CO tester, you can personally test your (and your family's) tanks, and you'll know whether or not the air is contaminated.
Peter_C
Contributor
Alert Diver | DAN Donates Ten Gas Analyzers in Cozumel
The commercial CO meters should be tied into the compressor relay and shut it down in the event it reads a high CO content. Not saying that is how they are wired, but that would be the proper way to wire it. Of course the alarm should sound too.
The commercial CO meters should be tied into the compressor relay and shut it down in the event it reads a high CO content. Not saying that is how they are wired, but that would be the proper way to wire it. Of course the alarm should sound too.
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